/** * {@inheritDoc} */ @Override public T previous() { if ( !hasPrevious() ) { throw new NoSuchElementException( "Position is " + position ); } current = visited.get( --position ); return current; }
assertTrue( caching.hasNext() ); assertEquals( 0, caching.position() ); assertFalse( caching.hasPrevious() ); assertEquals( (Integer) 0, caching.next() ); assertTrue( caching.hasNext() ); assertTrue( caching.hasPrevious() ); assertEquals( (Integer) 1, caching.next() ); assertTrue( caching.hasPrevious() ); assertEquals( (Integer) 1, caching.current() ); assertEquals( (Integer) 2, caching.next() ); assertEquals( (Integer) 3, (Integer) caching.position() ); assertEquals( (Integer) 2, caching.current() ); assertTrue( caching.hasPrevious() ); assertEquals( (Integer) 2, caching.previous() ); assertEquals( (Integer) 2, caching.current() ); assertEquals( (Integer) 0, caching.previous() ); assertEquals( (Integer) 0, (Integer) caching.position() ); assertFalse( caching.hasPrevious() ); assertEquals( (Integer) 3, caching.next() ); assertEquals( (Integer) 3, caching.current() ); assertTrue( caching.hasPrevious() ); assertEquals( (Integer) 4, caching.next() ); assertEquals( 5, caching.position() ); assertTrue( caching.hasPrevious() ); assertFalse( caching.hasNext() );
/** * {@inheritDoc} */ @Override public T previous() { if ( !hasPrevious() ) { throw new NoSuchElementException( "Position is " + position ); } current = visited.get( --position ); return current; }